<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>布局作业</title>
    <link rel="stylesheet" href="css/zuoye.css">
</head>
<body>
    <header>
        <div class="head middle">
            <div class="logo line">
                logo
            </div>
            <nav class="line">
                导航菜单
            </nav>
        </div>
    </header>
    <div class="userinfo middle">
        userinfo用户信息栏
    </div>
    <div class="content middle">
        <aside class="line">
            <ul>
                <li class="aside-item">项目1</li>
                <li class="aside-item">项目2</li>
                <li class="aside-item">项目3</li>
            </ul>
        </aside>
        <main class="line">
            <section></section>
            <section></section>
            <section></section>
            <section></section>
        </main>
    </div>
    <footer>
        <div class="foot middle"></div>
    </footer>
</body>
</html>